Table 1.

Nucleosides and nucleobases identified by LC-MS in CS-N.

Compounds	tR (min)	[M + H]+ (m/z)	MS2 (m/z)	DP (V)	CE (eV)
Cytidine	3.69	244.2	111.7	50	15
Adenine	4.44	136.4	118.6	50	33
Guanine	5.09	152.2	134.7	100	32
Uracil	6.98	114.0	69.3	120	27
Hypoxanthine	9.57	137.2	109.3	150	39
Uridine	11.12	245.2	112.7	60	14
2’-Deoxyadenosine	11.53	252.3	135.6	60	21
Guanosine	11.53	284.2	151.8	60	12
Adenosine	11.55	268.2	135.7	60	22
Thymidine	11.62	243.2	126.5	30	13